AI-generated Key Takeaways
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          Display & Video 360 API v2 has sunset. 
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          The content details the possible reservation types for line items or insertion orders in Display & Video 360. 
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          There are several defined reservation types, including RESERVATION_TYPE_NOT_GUARANTEED,RESERVATION_TYPE_PROGRAMMATIC_GUARANTEED,RESERVATION_TYPE_TAG_GUARANTEED,RESERVATION_TYPE_PETRA_VIRAL, andRESERVATION_TYPE_INSTANT_RESERVE.
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          Some reservation types like RESERVATION_TYPE_PETRA_VIRALandRESERVATION_TYPE_INSTANT_RESERVEare specifically applicable to YouTube and Partners line items.
Possible reservation types for a line item or insertion order.
| Enums | |
|---|---|
| RESERVATION_TYPE_UNSPECIFIED | Reservation type value is not specified or is unknown in this version. | 
| RESERVATION_TYPE_NOT_GUARANTEED | Not created through a guaranteed inventory source. | 
| RESERVATION_TYPE_PROGRAMMATIC_GUARANTEED | Created through a programmatic guaranteed inventory source. | 
| RESERVATION_TYPE_TAG_GUARANTEED | Created through a tag guaranteed inventory source. | 
| RESERVATION_TYPE_PETRA_VIRAL | Created through a Petra inventory source. Only applicable to YouTube and Partners line items. | 
| RESERVATION_TYPE_INSTANT_RESERVE | Created with an instant quote. Only applicable to YouTube and partners line items. |